Merge pull request #691 from ArchieBeepBoop/radioactivedecal

Adds a radioactive type of greenglow cleanable decal

code/game/objects/effects/decals/cleanable/misc.dm

@@ -84,6 +84,29 @@
 	. = ..()
 	set_light(2, 0.8, "#22FFAA")
 
+/obj/effect/decal/cleanable/greenglow/radioactive
+	name = "radioactive hazard"
+	desc = "You should really clean this up..."
+	var/rad_pulse_strength = 5
+	var/last_event = 0
+	var/active = null
+
+/obj/effect/decal/cleanable/greenglow/radioactive/Crossed(atom/movable/O)
+	. = ..()
+	if(ismob(O))
+		radiate()
+		
+/obj/effect/decal/cleanable/greenglow/radioactive/proc/radiate()
+	if(!active)
+		if(world.time > last_event+15)
+			active = 1
+			radiation_pulse(src, rad_pulse_strength)
+			for(var/obj/effect/decal/cleanable/greenglow/radioactive/T in orange(1,src))
+				T.radiate()
+			last_event = world.time
+			active = 0
+			return
+
 /obj/effect/decal/cleanable/greenglow/ex_act()
 	return